업데이트
Source Citations Added for All Calculators
Every calculator now shows formula sources, methodology, and authoritative references for complete transparency.
변경 내역
CalcOnce에 추가된 모든 업데이트, 개선 사항 및 새로운 계산기를 추적하세요. 사용자 피드백을 기반으로 정확성을 보장하고 새로운 기능을 추가하기 위해 지속적으로 도구를 개선합니다.
신규업데이트수정데이터 업데이트
신규
New Statistical Calculators
Added P-Value Calculator, Confidence Interval Calculator, and enhanced Mean Median Mode Calculator with step-by-step solutions.
신규
Math & Science Calculator Expansion
Added 15+ new math calculators including Pythagorean Theorem, Slope, Logarithm, Square Root, LCM, GCF, and Scientific Notation calculators.
신규
Business Finance Calculators
Added Margin Calculator, Markup Calculator, Break-Even Calculator, and Margin vs Markup comparison tool for business owners.
신규
Date & Time Calculator Suite
Launched comprehensive date/time calculators including Business Days, Meeting Planner, Countdown, and Moon Phase calculators.
데이터 업데이트
2026 Tax Bracket Updates
Updated Income Tax Calculator with official 2026 federal tax brackets and standard deductions.
업데이트
PayPal Fee Calculator Updated
Updated PayPal fee rates for 2026 including new Checkout and Invoicing fee structures.
업데이트
Mortgage Calculator Enhancement
Added property tax and PMI calculations to mortgage calculator with live FRED mortgage rate data integration.
수정
Moon Phase Algorithm Accuracy
Fixed moon phase calculation to use UTC dates consistently, ensuring accuracy across all time zones.
수정
Sunrise/Sunset NOAA Compliance
Updated sunrise/sunset calculator to use correct NOAA zenith angle (90.833°) for atmospheric refraction.